78742550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 152427744

約数和(自身を除く): 73685194

約数列:

[1, 2, 5, 10, 25, 41, 50, 71, 82, 142, 205, 355, 410, 541, 710, 1025, 1082, 1775, 2050, 2705, 2911, 3550, 5410, 5822, 13525, 14555, 22181, 27050, 29110, 38411, 44362, 72775, 76822, 110905, 145550, 192055, 221810, 384110, 554525, 960275, 1109050, 1574851, 1920550, 3149702, 7874255, 15748510, 39371275, 78742550]

約数ペア:

[(1, 78742550), (2, 39371275), (5, 15748510), (10, 7874255), (25, 3149702), (41, 1920550), (50, 1574851), (71, 1109050), (82, 960275), (142, 554525), (205, 384110), (355, 221810), (410, 192055), (541, 145550), (710, 110905), (1025, 76822), (1082, 72775), (1775, 44362), (2050, 38411), (2705, 29110), (2911, 27050), (3550, 22181), (5410, 14555), (5822, 13525)]